Register fan



FIG. 1 is a front elevational view of the register fan showing my new design;

FIG. 2 is a left side elevational view, the right side elevational view not shown being identical thereto;

FIG. 3 is a top plan view; and

FIG. 4 is a bottom plan view.

The rear of the register fan is conventional and unornamented.

The conventional electrical cord has been shown fragmentarily in FIGS. 1, 2 and 4 for ease of illustration. 

The ornamental design for a register fan, as substantially shown and described. 